Researchers engineered Chlamydomonas reinhardtii into a rainbow of colors by producing six different fluorescent proteins in the algae cells. This innovation provides a powerful tool for algae researchers to sort cells, view cellular structures, and create fusion proteins.
A recent NIH study found a strong association between cold-dry and humid-rainy climates and seasonal influenza epidemics worldwide. The research used a climate-based model to map influenza activity globally, accounting for diverse seasonal patterns in temperate, subtropical, and tropical regions.
A UC Irvine study of 150,000 people in 142 countries found that the link between positive emotions and health is stronger in developing nations. People in Malawi showed a more robust connection between positive emotions and health than residents of the U.S., highlighting the importance of emotional well-being worldwide.
Albert Einstein College of Medicine researchers have been awarded a $12 million grant from the National Institutes of Health to develop a drug-impregnated intravaginal ring to prevent HIV infection in women. The device aims to provide safe and effective prevention strategies for women at increased risk of HIV infection.
A new study reveals that small physician practices serving children are unprepared to become recognized as 'medical homes', which prioritize quality improvement and comprehensive care. This limitation may hinder efforts to improve healthcare for children, particularly those with higher medical needs.
A new study from the University of Utah reveals that individuals with higher mindfulness traits experience greater emotional stability, better self-control, and lower physiological activation before bedtime. This finding suggests that mindfulness may contribute to improved emotional and physical well-being by enhancing self-regulation ...
Researchers from Concordia University propose a unique simulation technique to prepare rookie reporters for traumatic events. The study finds that simulation-based training can teach journalists ethical behavior and reduce the risk of further traumatizing victims.
A new model of cell fusion was created by researchers at Johns Hopkins, revealing two critical components necessary for the process. The discovery may lead to improved treatments for muscular dystrophy, as cell fusion plays a crucial role in muscle regeneration.
Researchers explore ion traps as a promising architecture for constructing a quantum computer, leveraging qubits' coherence time and protection from ambient disturbances. The development of micro-fabricated devices and cryogenic cooling techniques aims to push the limits of pressure and storage capacity.
A longitudinal study found that people who carry excess weight over their lifetime have increased left ventricular mass and relative wall thickness, strong predictors of cardiovascular morbidity and mortality. The earlier someone becomes overweight, the greater the increase in heart muscle mass later in life.
The American Association of Neuroscience Nurses (AANN) is launching an iPad app edition of its official research publication, the Journal of Neuroscience Nursing. The new platform provides fast and convenient access to evidence-based information for neuroscience nurses.
After over 20 years, a team led by Professor Merlin Crossley has found the genetic puzzle piece for hemophilia B Leyden, a rare disorder that improves symptoms after puberty. The breakthrough demonstrates the importance of persistence and curiosity in scientific research.
A University of Granada researcher proposes that antibiotic abuse forces bacteria to take up DNA from resistant strains, leading to increased resistance. This stress-induced uptake can also make non-resistant bacteria more virulent, exacerbating the problem.
Scientists at UCLA discovered a peptide called hypocretin that increases happiness and alertness in humans, while another peptide MCH plays a key role in sleep regulation. The study provides a potential new approach to treating psychiatric disorders like depression.
Researchers have discovered that gateways in the nucleus control chromosome structure and gene expression, impacting disease triggers.
Researchers validate resveratrol's direct activation of SIRT1, a protein promoting health and longevity. The study suggests potent drugs may treat and prevent age-related diseases.
African lion populations face extinction due to human-lion conflicts. Fencing can protect people and wildlife; a global funding agency could fund large-scale fencing projects. The 'Marshall Plan' for African wildlife conservation is proposed by the leading lion researcher.
A study published in Molecular Cell reveals that the oncogenic protein SRSF1 promotes cellular senescence by stabilizing p53, preventing cancerous proliferation. The research also identifies a link between oncogenic stress and ribosomal stress response.
A powerful Nor'easter merged two low-pressure areas on March 6, bringing winter weather advisories to the Mid-Atlantic. NASA provided satellite views of the storm's power and movement, showing the heaviest precipitation over New Jersey and Maryland.
A Mayo Clinic study found that participants who received financial incentives lost more weight and remained in the program longer than those without incentives. The results suggest that financial incentives can improve weight loss outcomes and adherence, potentially helping to address the growing obesity epidemic in the US.
The FASEB MARC Program has announced the travel award recipients for the 2013 American College of Sports Medicine Northwest Chapter Meeting, aiming to promote diversity in the basic science community. The program aims to increase the number and competitiveness of underrepresented minorities in biomedical research.
A 10-year study found that daily walking increased as residents had more access to local transport and recreational destinations. For every shop or facility available, residents walked an extra 5-6 minutes or 21 minutes per week respectively.
A minimally invasive procedure called gastric artery chemical embolization (GACE) was found to be safe and effective in reducing hunger hormone levels and promoting weight loss in obese patients. After six months, participants experienced significant weight loss, with an average of 45 pounds lost.
Between 2011 and 2020, over 140 million girls will become child brides, with 50 million under 15. This practice increases the risk of intimate partner violence and HIV infection. The UN calls for an end to child marriage by 2030 to meet Millennium Development Goals.
A new study from NIMBioS found that using insecticide-treated bed nets can positively affect malaria's reproduction number, leading to potential elimination. The use of ITNs could reduce the transmission of malaria by reducing mosquito density and lifespan.
A study published in Cell Press reveals that a compound derived from fats found in fish oils prevents death in influenza-virus-infected mice. The compound, protectin D1, inhibits virus replication and improves survival when given 2 days after infection, offering a promising strategy for treating severe influenza.
Scientists have found that mild traumatic brain injuries can lead to swelling, reduced blood flow, and death of neurons. Astrocytes, which supply nutrients to neurons, swell quickly and significantly, smothering them and their branches. This secondary damage can occur within hours of the initial injury.
A new study found that school-based kitchen garden programs increase children's willingness to try new foods, with cooking classes playing a key role. The program not only teaches environmental sustainability but also skills to prepare and cook healthy meals using fresh produce.
Researchers found a population of slow-proliferating epithelial cells in the mouse ovary's hilum region that can self-renew and form tumors. These cells were previously unknown and are now believed to be the source of ovarian stem-like cells prone to cancer.
A randomized controlled study found that computer-generated reminders significantly improved compliance with patient care guidelines in a pediatric HIV clinic in Eldoret, Kenya. The study resulted in a four-fold increase in completion of overdue clinical tasks, including laboratory tests and referrals.
A recent study found that nearly 90% of preschoolers with ADHD continued to struggle with symptoms six years after diagnosis. Children taking ADHD medication had just as severe symptoms as those who were medication-free, suggesting a need for improved treatment strategies.
Researchers at U of T have developed a new technique to boost the efficiency of solar cells by up to 35% through the use of nanoshells. This breakthrough could lead to more affordable and efficient solar power, as the technology already offers low-cost and large-scale production capabilities.
A multicenter study found that even minor weight loss is associated with worse health outcomes among patients with cardiac resynchronization therapy with defibrillator devices. Patients who lost more than 2 kilograms during the 12-month observation period had a significant increase in risk of heart failure or death.
A new clinical study, funded by the NIH, aims to discover novel biomarkers and therapeutic treatments for patients with chronic fatigue syndrome. The four-year study will use advanced neuroimaging and clinical evaluations to expand scientific understanding and improve diagnostics.
Researchers have developed a new approach to screening potential treatments for Alzheimer's disease using the C. elegans worm model. The study identified six compounds capable of alleviating tau-induced behavioral abnormalities in the worm model, as well as azaperone treatment, which can decrease abnormal tau accumulation.
A 12-week cardiac rehabilitation program reduced mortality in women with coronary artery disease by two-thirds, yet referrals and attendance among women fall short compared to men. Women who receive a referral but don't attend also have better outcomes, suggesting a referral bias towards healthier individuals.
A study by behavioral ecologist John Hoogland found that prairie dogs are more likely to disperse in the absence of nearby close kin. This unique pattern is attributed to the benefits of cooperation with close kin, including shared resources and defense against predators.
Researchers break evolutionary compartmentalization by relocating metabolic pathways to chloroplasts, enabling light-driven synthesis of natural chemicals. This advancement unlocks the production of bioactive chemicals and other valuable compounds.
Researchers at Vall d'Hebron Institute of Oncology have successfully eliminated mouse lung tumors by inhibiting the Myc protein, a key regulator of gene expression and cell growth. The study confirms that Myc-targeted therapy is a safe and effective option for treating various types of cancer, with no signs of resistance or side effects.
A study by the University of Pennsylvania School of Nursing found that hospitals with more baccalaureate-prepared nurses had lower patient mortality rates following common surgeries. Increasing the percentage of BSN-prepared nurses in hospitals could potentially save around 500 lives, according to researchers.
Research predicts 20% of Canadian Arctic glaciers will melt by end of century, causing irreparable ice loss and sea-level rise. The study's results show that climate change reinforces warming, making it highly likely that glaciers will melt at alarming rate.
Berkeley Lab researchers successfully recreated the elusive atomic collapse state in graphene using artificial nuclei, confirming relativistic quantum mechanics predictions. This breakthrough has significant implications for graphene-based electronic devices and future nanotechnology applications.
Researchers predict a 1°C decrease in temperature during the growing season and a 1°C increase after harvest due to sugarcane plantations. This seasonal fluctuation could have significant impacts on regional climate conditions.
A genetic analysis by Baylor University biologists reveals that Florida bass stocking in Texas reservoirs affects bass populations far beyond the actual stocking location. The study found Florida bass DNA in bass at all sampling locations, including sites over 50 miles upstream from the closest documented stocking location.
A study by IRB Barcelona researchers has identified a key miRNA called bantam that regulates the relationship between hormones controlling growth and sexual maturity. Reduced levels of bantam lead to increased steroid hormone levels, causing growth to stop.
Researchers at RIKEN Center for Developmental Biology successfully cloned mice multiple times using somatic cell nuclear transfer (SCNT) technique, overcoming previous limitations. The study published in Cell Stem Cell reveals no accumulation of genetic or epigenetic abnormalities after repeated cloning.
Research in rats reveals that sniffing behaviors convey information about an individual's social status, with dominant rats acting as primary sniffers and subordinate sniffees slowing their breath. This new form of communication allows animals to avoid conflicts and maintain social hierarchy.
Researchers developed a novel model to improve cloud computing infrastructure efficiency, reducing energy consumption and improving performance. They found that data location and competition for shared resources played key roles in server optimization, leading to 15-20% gains.
Exposure to statin TV ads was linked to higher rates of high cholesterol diagnosis and statin use, especially among those at low risk for heart disease
A study of patient records found a significant spike in heart attacks during Greece's financial crisis, particularly among women and those over 45. The crisis led to increased stress, unemployment, and limited access to healthcare, contributing to the rising heart attack rates.
A clinical trial comparing two treatments for advanced head and neck cancer found that adding a targeted biologic therapy to chemotherapy did not improve patient outcomes. The study's results suggest that the current standard of care therapy may be sufficient, at least for now.
A novel marker that measures relative changes in the number of capillaries under the skin can accurately predict preeclampsia risk in pregnancy, improving upon existing screening tests. This non-invasive technique identified high-risk women with 87% accuracy and demonstrated significant benefits for timely medical care.
Research found that tooth loss is associated with increased levels of inflammatory markers and higher probabilities of diabetes, smoking, and obesity. Gum bleeding was linked to higher blood pressure and bad cholesterol levels. The study suggests that dental health could be a useful risk marker for heart disease in the future.
A new RAND Corporation report highlights the challenges faced by military caregivers, who often toil long hours with little support. The study identifies broad areas where future work is needed to ensure these 'hidden heroes' receive recognition and addressed.
A University of Maryland study found that wearing a surgical mask can significantly reduce the release of infectious flu virus in even the smallest airborne droplets. The research provides new evidence on the importance of using masks to prevent the spread of influenza, particularly among vulnerable populations.
Researchers found African-Americans have a 1.4-fold greater risk for heart failure compared to their white counterparts after breast cancer treatment. The study also highlights the importance of closer monitoring and pretreatment with cardioprotective drugs.
The FASEB MARC Program conferred 11 travel awards totaling $20,350 to promote underrepresented minority students and scientists in immunohistochemistry and microscopy. The awards aim to increase diversity in biomedical research and encourage young scientists' participation.
Using a telemedicine system to engage people in underserved urban communities resulted in significant reductions in systolic blood pressure. Nearly all study participants lowered their blood pressure, with those using the interactive reporting system achieving an average drop of 19 mmHg compared to 12 mmHg for non-telemedicine users.
Researchers at University of British Columbia have found that blood vessels in the brain can be normalized with amyloid beta immunization, reducing plaque build-up and brain capillary growth. This discovery suggests that drugs targeting blood vessels could be effective in treating Alzheimer's disease.
Researchers propose duckweed as a sustainable alternative for producing gasoline, diesel, and jet fuel due to its fast growth rate and ability to thrive in wastewater. The study suggests that small-scale duckweed refineries can produce cost-competitive fuel when oil prices reach $100 per barrel.
Scientists have identified a molecular mechanism underlying sleep homeostasis in nematode worms, which may have implications for human health. The study found that loss of sleep led to the migration of a stress-related protein into the nucleus, activating stress genes and triggering a behavioral response.
A study of 207,954 veterans found that PTSD significantly increases the risk of developing insulin resistance and metabolic syndrome. Early detection and treatment of these conditions can prevent long-term medical and psychiatric adverse events related to PTSD.
A study found that six years after Hurricane Katrina, New Orleans residents experienced a three-fold increased risk of heart attack. Psychosocial factors, including chronic stress and anxiety disorders, played a significant role in this increase.
The EPSRC is investing £12.2 million in 15 research projects that aim to improve the diagnosis and treatment of serious illnesses, including Alzheimer's and cancer, as well as enhance patient outcomes and quality of life for severely disabled individuals.
A new software tool, COCPIT, will aid healthcare professionals in identifying at-risk patients and investigating data quality issues. By analyzing patient journeys and electronic health records, the tool aims to improve patient care and public health by reducing hospital admissions for conditions like strokes.
A study found that modest financial incentives significantly increased sustained participation in a weight-loss program and long-term maintenance of weight loss. Participants who received financial rewards lost more weight (9.08 pounds) compared to those without incentives (2.34 pounds).
Researchers at Washington University School of Medicine have developed nanoparticles carrying melittin, a toxin found in bee venom, that can destroy human immunodeficiency virus (HIV) while leaving surrounding cells unharmed. This finding offers an important step towards developing a vaginal gel that may prevent the spread of HIV.
Researchers at Case Western Reserve University School of Medicine found that rats use sniffing behavior to signal social hierarchy and prevent aggressive behavior. This discovery may help understand how neurological disorders impact social behaviors.
Researchers at Cornell University have developed a new X-ray imaging technique that visualizes damage in bone at the cellular level. The technique uses high-energy hard X-rays to produce images of microdamage in sheep bone with unprecedented resolution.
Astronomers used NASA's Hubble Space Telescope to determine the age of the oldest known star, HD 140283, which could be as old as 14.5 billion years. The new age estimate reduces measurement uncertainty, overlapping with the universe's age, and provides a precise calculation of the star's intrinsic brightness.
Researchers recommend exploring genetic testing to identify people at high risk for preventable diseases, with the technology becoming increasingly accessible and affordable. A carefully selected panel of genetic tests could avert disastrous health consequences in individuals at high risk.
Heavy rainfall rates of 2 inches/50 mm per hour were observed around the center of circulation, with powerful thunderstorms reaching heights of 9.3 miles (15 kilometers). The tropical storm strengthened and moved east-northeast at 11 knots (12.6 mph/20.3 kph), affecting New Caledonia by March 11.
Researchers develop a new dynamic network management system that can redirect traffic-congesting connections in real-time, improving network efficiency. The system combines OpenFlow and PCE technology to provide efficient solution for operating transport networks.
A new RAND Corporation study found that city blocks with both residential and commercial zoning purposes experienced less crime than those zoned primarily for commercial purposes. Researchers also discovered that crime rates dropped by an average of 7% when neighborhoods underwent changes in zoning, mostly towards residential uses.
A new Rutgers study reveals that education's protective effect on marriage varies significantly between white and African-American women. The study found that for African-American women, higher education does not necessarily lead to a lower chance of divorce.
A global study found that children on dialysis with poor response to anemia medications are linked to inflammation, fluid retention, and hyperparathyroidism. High doses of anemia medications also increase the risk of premature death. The study provided valuable insights into anemia control in pediatric patients.
A study by the University of Utah reveals that female partners of vets with PTSD suffer from significant increases in blood pressure, anger, and emotional distress. The study suggests these partners may be at similar or greater risk for cardiovascular disease due to relationship conflict and PTSD.
The report finds that most health centers provide some form of family planning services, but only a quarter offer comprehensive access to contraceptive methods. Recommendations include investing in clinical quality improvement and partnerships with Title X programs to reach underserved populations.
A protein complex has been identified that acts as a molecular switch turning on the self-regeneration program in the liver, allowing ordinary liver cells to divide and repair tissue damage. This finding challenges the current focus on stem cells and may lead to easier therapeutic treatments.
The genome of extremophile red alga Galdieria sulphuraria reveals horizontal gene transfer from bacteria, allowing it to survive battery acid and toxic metals. This discovery provides new insights into evolution and potential applications in biotechnology.
A new study highlights the lack of availability and accessibility of water in child care centers, which can hinder the development of health habits. The researchers emphasize the need for policy change and support to help centers meet existing water policies and promote healthy beverage practices.
Researchers implanted human brain cells into mice, finding enhanced learning and memory compared to normal mice. The study suggests that human-specific glial form and function contribute to the evolution of human cognition.
Researchers identify Kawazulite as a natural topological insulator, which conducts electricity on its surface and acts as an insulator inside. This discovery could pave the way for faster quantum computers.
A recent study found that Chinese women who started menstruating later or went through menopause at an older age were less likely to develop cardiovascular disease. The study also discovered a higher risk of osteoporosis for those with early menopause, with benefits seen in women over 50 when entering menopause.
Scientists have discovered buried flood channels on Mars using 3D reconstructions, suggesting recent hydrologic activity. The findings indicate that floods may have induced climate change in the past.
Scientists reconstructed Earth's climate history using data from 73 sites worldwide, revealing that the planet today is warmer than during 70-80% of the last 11,300 years. The study suggests that global temperature will rise significantly by the end of this century under all plausible greenhouse gas emission scenarios.
A nationwide Danish study finds that young women with a high body mass index (BMI) are twice as likely to suffer a life-threatening heart attack or stroke within four to five years after childbirth. The study, led by Michelle Schmiegelow, examines the association between obesity and cardiac events in women aged 35-44.
Researchers at the University of Washington are studying the sediment's fate after the removal of the Elwha Dam, which has released an estimated 34 million cubic yards of silt and sand into the Strait of Juan de Fuca. The sediments' ultimate fate is crucial for understanding their impact on the ocean floor and marine life.
A new study suggests that climate change may lead to the extinction of dozens of lizard species within the next 50 years due to rising temperatures. Lizards with viviparous reproduction are particularly vulnerable as changing weather patterns affect their ability to adapt and survive in cold environments.
A recent study found that sedentary children experience stress hormone surges when exposed to everyday stressors, while the most active children had little or no increase in cortisol levels. The study suggests physical activity plays a role in mental health by buffering children from daily stressors.
Scientists have discovered two structural apparatuses that collaborate to protect repetitive DNA during replication. Disrupting both heterochromatin and replication fork proteins increases abnormal chromosomes and cell death.
A recent study by the American College of Cardiology found that patients not given aspirin before artery-clearing coronary angioplasty and stenting have a significantly higher in-hospital death rate. The study examined registry data from over 65,000 patients and found that nearly 7% did not receive aspirin as recommended.
Researchers found that electronic discharge orders significantly improved patient care by increasing adherence to core measures and lowering hospital readmission rates. The study showed a 23% lower all-cause hospital readmission rate and a 10-fold increase in compliance with quality care measures among heart failure patients.
A recent study found that women with gestational diabetes are at risk for developing Type 2 diabetes, with a significant defect in insulin secretion identified as a key factor. The study's findings indicate that up to half of Asian women who had gestational diabetes may develop Type 2 diabetes within eight years of giving birth.
Scientists have shown that caffeine enhances a honeybee's memory of floral traits, allowing them to remember flowers better. This discovery could lead to improved pollination and plant recruitment.
A researcher has received a grant to develop a method to organize enzymes on electrodes to create nanoscale devices that efficiently convert chemical energy into electricity. The goal is to enhance kinetics by spatial organization and apply the understanding to biofuel cells, pharmaceuticals, and commodity chemicals.
A new study reconstructs Earth's temperature history back to the end of the last Ice Age, revealing that the planet is warmer than it was during 70 to 80 percent of the past 11,300 years. The analysis also shows that global temperatures have warmed about 1.3 degrees Fahrenheit over the past century.
Researchers found that LDL cholesterol increases by an average of 7mg/dL in winter compared to summer, resulting in a 8% overall increase in high cholesterol prevalence. Seasonal variations in metabolism and behavior may contribute to these changes.
Adults of various ages improved retention of new information by taking tests and receiving feedback compared to restudying, according to a study published in Psychology and Aging. The results suggest that testing can be an effective way to increase learning in adults of all ages.
The study demonstrates that when transplanted into mice, human glial cells can influence communication within the brain, allowing animals to learn more rapidly. Human astrocytes are found to have unique functional advantages and play a significant role in integrating and coordinating neural activity.
Researchers at UTHealth found CCSVI occurs at a low rate in people with multiple sclerosis and non-MS volunteers. The study suggests CCSVI is unlikely to be the cause of MS or contribute to disease worsening.
Research suggests that people with an 'ends justify the means' mindset tend to balance their good and bad deeds, while those who believe in principle-based morality are more likely to be consistent in their behavior. The study found that individuals with a rule-based mindset were less likely to cheat after recalling an ethical act.
Research shows that even five years after Hurricane Katrina, heart attacks were still less likely to occur during the morning or on weekdays and instead more frequent at night and on weekends. Prolonged periods of stress are believed to be the most likely cause for these changes.
The American Chemical Society reveals that quartz-crystal skulls, once believed to be ancient relics, are actually post-Columbian fakes created in the 1860s. Experts used scientific instruments to expose their authenticity, tracing back to French dealer Eugène Boban who sparked public fascination with the fakes
Scientists at UC San Francisco have developed a more precise way to turn off genes using a protein from bacteria to fight off viruses. The new technology, called CRISPR interference, allows researchers to selectively perturb gene expression on a genome-wide scale and identify key proteins that control cellular events.
Research found that people exposed to secondhand tobacco smoke have a higher risk of developing early signs of heart disease, including coronary artery calcification. The study also shows that the level of exposure to secondhand smoke is directly linked to the severity of CAC.
Researchers found that the brain prioritizes neural diversity over number of neurons when faced with limited nutrients, a strategy essential for survival. This discovery may have implications for understanding human brain development and addressing intrauterine growth restriction.